Algorithms 12 Proper circular-arc graphs 10 Unit circular-arc graphs 10 Graph theory 8 Helly circular-arc graphs 8 Cavity resonators 6 Circular-arc graphs 6 Mathematical models 6 Circular-arc graph 4 Co-bipartite circular-arc graphs 4 Surveys 4 ALGORITMOS DE COMPLEJIDAD TEMPORAL DE ORDEN LINEAL 2 ALGORITMOS DE RECONOCIMIENTO CON CERTIFICADOS 2 Algorithm 2 Approximation theory 2 CERTIFIES RECOGNITION ALGORITHMS 2 Characterization 2 Circular-arc model 2 Circulations 2 Forbidden induced subgraphs 2 Forbidden subgraphs 2 GRAFOS ARCO CIRCULARES UNITARIOS 2 Graph algorithms 2 Graphic methods 2 If there are 2 Intersection graph 2 Interval graph 2 LINEAR-TIME COMPLEXITY ALGORITHMS 2 Linear programming 2 MODELOS ARCO CIRCULARES UNITARIOS 2